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Home >> Jaguar >> 2009 >> XJR >> Repair and Diagnosis >> Brakes >> Parking Brake System >> Parking Brake And Actuation (2003.5-09) >> Diagnosis and Testing >> Parking Brake - VIN Range: G45171->G99999 >> Pinpoint Tests >> PINPOINT TEST G531320p20: SECONDARY RELEASE SWITCH CIRCUIT SHORT CIRCUIT TO GROUND >> G531320t92: CHECK IF THE SHORT CIRCUIT IS IN THE HARNESS OR THE SWITCH

G531320t92: CHECK IF THE SHORT CIRCUIT IS IN THE HARNESS OR THE SWITCH

  1. Electric parking brake switch connector (TL82) disconnected.
    Fig 1: Identifying Electric Parking Brake Switch (TL82) Connector Pins
    G06387615Courtesy of JAGUAR CARS, INC.
  2. Measure the resistance between:
    CONNECTOR REFERENCE CHART

    CR32 connector, harness side Vehicle battery
    Electric parking brake switch release 2 - signal - Pin 14 Negative terminal
    • Is the resistance greater than 100 Kohms? 
    • Yes:  INSTALL a new EPB switch.

      PARKING BRAKE SWITCH (70.35.46) 

    • No:  REPAIR the short circuit. For additional information, refer to the wiring diagrams.
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